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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Defined benefits pension obligations and pension expenses) (Details) - USD ($) $ in Thousands | Sep. 28, 2019 | Sep. 29, 2018
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Switzerland [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension obligation | $ 1,962 | $ 1,980
Taiwan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension obligation | $ 1,191 | $ 1,256

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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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